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Powertac 2600mAh 18650 Rechargeable Li-ion Battery with PCB Protection
$15.95
Reliable 18650 Power with Built-In Protection
The Powertac 2600mAh 18650 Rechargeable Li-ion Battery is built with internal PCB protection to prevent over-voltage, under-voltage, and short circuits — so your light performs consistently and your battery lasts through hundreds of charge cycles.
Compatible With
Any flashlight or device that accepts a standard 18650 Li-ion battery, including Powertac 18650-compatible models (M5, M6, E9, E11, FlexBeam, Warrior series, and more).
Key Specs
- Capacity: 2600mAh (nominal) / 2450mAh (minimum)
- Voltage: 3.6V nominal
- Cycle Life: 500+ cycles (90% capacity at 400 cycles)
- Operating Temp: -20°C to 50°C (-4°F to 122°F)
- Dimensions: 18mm × 66mm | Weight: ~46g
- Standard: ISO9001-2000 manufactured, IEC tested
PCB Protection Features
- Over-voltage protection: Cuts off at 4.25V to prevent overcharging.
- Under-voltage protection: Cuts off at 2.5V to prevent deep discharge.
- Short circuit protection: Safeguards your flashlight's electronics.
Authorized Powertac dealer. Genuine battery backed by Powertac's limited 30-day warranty (receipt required).